Problems from The 2020 ICPC Vietnam National Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Astrological Sign0.003603373125637%2.6Easyen
Battle of Hogwarts0.06733105425524%5.5Harden
Cable Car0.002822855319%8.1Harden
Dividing Kingdom0.3416244118320%6.3Harden
Easy Arithmetic0.0816563216320%7.8Harden
Fluffy Cat0.0114322363716%8.0Harden
Greatest Pair0.47143477616021%5.8Harden
Highway to Mount Fansipan0.03347103927526%4.2Mediumen
Infinite 2D Array0.0445666218227%5.6Harden
Just Enough Water0.0042740313834%4.6Mediumen
Kingdom of Cats0.0047478421527%5.0Mediumen
Looping Around0.4718582964716%7.9Harden
Malfunctioning Robot0.0074136737427%3.9Mediumen